Process for subsequent condensation of polycondensates, in particular of polyamide 6, 6.
缩聚物，尤其是聚酰胺6,6后冷凝的方法。
Through the condensation polymerization of TAPOB and dianhydride, hyperbranched polyamide acid (HBPAA) and hyperbranched polyimide (HBPI) were prepared.
经过红外表征发现，反应得到了端酸酐基的超支化聚酰胺酸和超支化聚酰亚胺；
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